How To Use Parthenogenesis In A Sentence
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thelytoky: parthenogenesis in which only males are produced
Are Men Necessary?
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In nature, clones are derived from a single parental organism or cell by mitotic cell division, asexual reproduction, or parthenogenesis.
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This process is known as parthenogenesis, where unfertilized eggs develop into embryos without sperm.
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Both incompatibility and parthenogenesis microorganisms alter host chromosome behaviour during early mitotic divisions of the egg.
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A great diversity of reproductive mechanisms occur among nematodes, including amphimixis, automictic hermaphroditisim, and parthenogenesis.
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This process is known as parthenogenesis, where unfertilized eggs develop into embryos without sperm.
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The authors speculate that the fusion of polar bodies in the RKK might be a preadaptation to automictic parthenogenesis through central fusion.
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In parthenogenesis, an unfertilized egg can start dividing and still produce a normal offspring.
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Most cladocerans reproduce both parthenogenetically and sexually, employing a breeding system termed cyclic parthenogenesis.
Crustacea
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To trigger parthenogenesis, then, Loeb had to simulate fertilisation.
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The so-called virginal reproduction (Parthenogenesis) offers an interesting form of transition from sexual reproduction to the non-sexual formation of germ-cells which most resembles it ....
The Story of Atlantis and the Lost Lemuria
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Both species reproduce by cyclical parthenogenesis, in which phases of asexual reproduction are intermitted by sexual reproduction.
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There are several species of New Mexico whiptail lizards that reproduce exclusively by parthenogenesis.
Sparks
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Some species consist only of females that produce their daughters from unfertilized eggs, a type of reproduction called parthenogenesis.
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In asexual reproduction, eggs develop without fertilization, a process called parthenogenesis.
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Parthenogenesis-inducing Wolbachia are restricted to species with haplodiploid sex determination, as occurs in the arthropod groups of Hymenoptera, Thysanoptera, Coleoptera, and Acari.
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Another is through parthenogenesis - activating an unfertilised human egg so that it starts to divide like an early embryo.
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Both incompatibility and parthenogenesis microorganisms alter host chromosome behaviour during early mitotic divisions of the egg.
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Facultative amphimixis is the equivalent of the mechanism described under meiotic parthenogenesis.
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A Fine line between sex and unisexuality: The phylogenetic constraints on parthenogenesis in lacertid lizards.
Biological diversity in the Caucasus
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Both incompatibility and parthenogenesis microorganisms alter host chromosome behaviour during early mitotic divisions of the egg.
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Based on their high sequence similarity, it is reasonable also to place parthenogenesis bacteria within this genus.
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Gynogenesis is like parthenogenesis in that diploid zygotes inheriting all chromosomes from their mother can develop without a genetic contribution from males.
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The first hypothesis assumes that triploidy is associated with the origin of parthenogenesis and that both diploid and tetraploid parthenogenetic forms are derived.
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Reproductive modes include sexual reproduction and parthenogenesis, but much remains to be known about development.
